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. 2021 Aug 2;9:731924. doi: 10.3389/fbioe.2021.731924

FIGURE 1.

FIGURE 1

Schematic diagram of the study design, showing how imaging data contribute to define vessel geometry and hemodynamic, morphometric, and flow variables. RCA, LAD, and LCX denote right, left anterior descending, and left circumflex coronary artery, respectively. IVUS: intravascular ultrasound; CCTA: coronary computed tomography angiography; CFD: computational fluid dynamics; TAWSS: time-averaged wall shear stress; OSI: oscillatory shear index; RRT: relative residence time; transWSS: transverse wall shear stress; LNH: local normalized helicity; h 1: average helicity; h 2: average helicity intensity; h 3: signed balance of counter rotating helical flow structures; h 4: unsigned balance of counter rotating helical flow structures; Qin: inflow rate.